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C42600
| Elements | |||||||
|---|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Sn | Zn | Fe | P | Ni(3) | |
|
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.7% min. (3) Ni value includes Co. |
|||||||
| Min (%) | 87.0 | 2.5 | 0.05 | 0.01 | 0.05 | ||
| Max (%) | 90.0 | 0.05 | 4.0 | Rem | 0.20 | 0.20 | 0.20 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | |||||
| Flat Products | 1/2 Hard | H02 |
80 Typ |
72 Typ |
10 Min |
| 1/4 Hard | H01 |
68 Typ |
45 Typ |
20 Min |
|
| Extra Hard | H06 |
105 Typ |
100 Typ |
4 Min |
|
| Extra Spring | H10 |
121 Typ |
118 Typ |
1 Min |
|
| Hard | H04 |
92 Typ |
85 Typ |
6 Min |
|
| Nominal Grain Size 0.015 mm | OS015 |
60 Typ |
32 Typ |
35 Min |
|
| Spring | H08 |
115 Typ |
110 Typ |
2 Min |
|
| Melting Point - Liquidus°F | 1890 |
|---|---|
| Melting Point - Solidus°F | 1850 |
| Densitylb/cu in. at 68°F | 0.318 |
| Specific Gravity | 8.8 |
| Electrical Conductivity% IACS at 68°F | 25 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 63 |
| Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 10.2 |
| Modulus of Elasticity in Tensionksi | 17000 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Fair |
| Machinability Rating | 30 |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | Value* | |
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Stress Relief | 300 | |||
| Annealing | 700 | 1350 | ||
Typical Uses
No information for this alloy
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Strip | ASTM | B888/B88M | COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS |
Corrosion Properties
No Corrosion Properties Available.